Avidia Bancorp director reports 13,334 LLC-held shares

The listed shares are reported indirectly through an IRA, an LLC, an LLP, and the director’s brother.

Rhea-AI Filing Summary

Avidia Bancorp, Inc. director Micheal Neil Flanigan’s Form 3/A lists indirect Common Stock holdings dated July 31, 2025: 1,964 shares by IRA, 13,334 by LLC, 5,000 by LLP, and 1,000 by brother.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Flanigan Micheal Neil

Role Director

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,964 shares (Indirect, By IRA); Common Stock — 13,334 shares (Indirect, By LLC); Common Stock — 5,000 shares (Indirect, By LLP); Common Stock — 1,000 shares (Indirect, By Brother)

Key Figures

Indirect Common Stock holding by IRA: 1,964 shares Indirect Common Stock holding by LLC: 13,334 shares Indirect Common Stock holding by LLP: 5,000 shares +1 more

4 metrics

Indirect Common Stock holding by IRA 1,964 shares Dated July 31, 2025

Indirect Common Stock holding by LLC 13,334 shares Dated July 31, 2025

Indirect Common Stock holding by LLP 5,000 shares Dated July 31, 2025

Indirect Common Stock holding by brother 1,000 shares Dated July 31, 2025

FAQ

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What AVBC shares did director Micheal Neil Flanigan report?

Micheal Neil Flanigan reported indirect Common Stock holdings dated July 31, 2025: 1,964 shares by IRA, 13,334 by LLC, 5,000 by LLP, and 1,000 by brother.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/09/2026 - 11:10 AM Accepted by SEC EDGAR 10/09/2026 - 11:10 AM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Flanigan Micheal Neil

(Last) (First) (Middle)

42 MAIN ST

(Street)

HUDSON MASSACHUSETTS 01749

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/31/2025

3. Issuer Name and Ticker or Trading Symbol
Avidia Bancorp, Inc. [ AVBC ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)
07/31/2025

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,964	I	By IRA
Common Stock	13,334	I	By LLC
Common Stock	5,000	I	By LLP
Common Stock	1,000	I	By Brother

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Michael Neil Flanigan	10/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)